1) Acceptable 2) Fine 3) Unexceptional 
• (a.) Not liable to any exception or objection; unobjectionable; faultless; good; excellent; as, a man of most unexceptionable character.
[adj] - completely acceptable
unimpeachable adjective completely acceptable; not open to exception or reproach; `two unexceptionable witnesses`; `a judge`s ethics should be unexceptionable`
not offering any basis for exception or objection; beyond criticism: an unexceptionable record of achievement.
[SAT terms] completely acceptable; not open to reproach completely acceptable; not open to reproach[Intelligent words] completely acceptable; not open to reproach